Diversity of opinion within the framework of loyalty to our free society is not only basic to a university but to the entire nation.

Behold the turtle. He makes progress only when he sticks his neck out.

Just like a turtle, we only make progress if we stick our neck out.

Behavior which appears superficially correct but is intrinsically corrupt always irritates those who see below the surface.

Education is what is left after all that has been learnt is forgotten.

... scientific research is compounded of ... empirical procedures, general speculative ideas, and mathematical or abstract reasoning.

Democracy is a small hard core of common agreement, surrounded by a rich variety of individual differences.

A Harvard education consists of what you learn at Harvard while you are not studying.

Science advances, not by the accumulation of new facts, but by the continuous development of new concepts.

Every vital organization owes its birth and life to an exciting and daring idea.

He who enters a university walks on hallowed ground.

You can make your marriage a little bit of heaven on earth by following God's plan of teamwork.

Happiness never lays its finger on its pulse.

Men to be truly won must be won by truth.

You cannot reach a correct conclusion if you begin with an incorrect assumption

But I learned first-hand how the news media operates by watching how they interpreted, changed, and misrepresented my intentions.

Nothing fine and noble will ever perish from the earth as long as there are hearts to remember.

You bring yourself to every role, it doesn't matter who it is, it doesn't matter if it's a mass murderer, you can bring something to it.

The thing I would like to do most is to find somehow to bring peace to the world. It has eluded me.

Self abuse is anti-social, aggression still natural.

I must be gone and live, or stay and die.